Quantum Information Masking in Non-Hermitian Systems and Robustness

التفاصيل البيبلوغرافية
العنوان: Quantum Information Masking in Non-Hermitian Systems and Robustness
المؤلفون: Lv, Qiao-Qiao, Liang, Jin-Min, Wang, Zhi-Xi, Fei, Shao-Ming
المصدر: Laser Phys. Lett. 19 (2022) 045203
سنة النشر: 2022
المجموعة: Quantum Physics
مصطلحات موضوعية: Quantum Physics
الوصف: By studying quantum information masking in non-Hermitian quantum systems, we show that mutually orthogonal quantum states can be deterministically masked, while an arbitrary set of quantum states cannot be masked in non-Hermitian quantum systems. We further demonstrate that a set of linearly independent states which are mutually $\eta$-orthogonal can be deterministically masked by a pseudo-unitary operator. Moreover, we study robustness of quantum information masking against noisy environments. The robustness of deterministic and probabilistic quantum information masking under different quantum noise channels is analyzed in detail. Accordingly, we propose and discuss the $r$-uniform probabilistic quantum information masking in multipartite systems.
Comment: 7 pages, 1 figure
نوع الوثيقة: Working Paper
DOI: 10.1088/1612-202X/ac52b1
URL الوصول: http://arxiv.org/abs/2203.03864
رقم الأكسشن: edsarx.2203.03864
قاعدة البيانات: arXiv
الوصف
DOI:10.1088/1612-202X/ac52b1